Tips & Tricks

Useful Cisco Catalyst CLI commands:

 show idprom chassis
 Show serial number of 4000/4500 series Catalyst Chassis
 show modules
 Show module information, including serial numbers for each module, of Catalyst chassis
 show version
 Show detailed information about a Catalyst Chassis. Shows serial number in stacked switches.

Add/Remove VLAN from Port:

Telnet to the Switch.
"en" to enter enabled mode
"config t" to enter config mode
"interface fast 0/19" In this example I am configuring port 19
"switchport access vlan 2" In this example I am adding port 19 to VLAN 2

To remove a port from a vlan follow the above steps but on the last step enter:
"no switchport access vlan 2"

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